From nobody Thu Sep 19 01:10:28 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=quarantine dis=quarantine) header.from=epam.com ARC-Seal: i=1; a=rsa-sha256; t=1720505631; cv=none; d=zohomail.com; s=zohoarc; b=O8V+sOZBGyUwJ1fHQyeBAefifksJuvgQDKGlpTF56T5kAcXveYuv0HK2Fziz71doCCUPBxgwF65tntra7vHYGzfgMn4lgNk5mEd5/LQNlchbyy+KvuYP8QEM+8PA+4XBLhn476BshSeBrwUOI+qruiB75Iaa4Bp3OD4uExWVxe0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1720505631; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=KDBabi6uGc2zQASwR9gKFCldsqAQqzvXnMdALFpDn5E=; b=g5A0uiFWri7a52tKNk7UncflDnkSxygFEUUwgEjeilhwWxnrXU/OlE7qZElmw9mOp5hM/cpck4St64icVrzKyFZyrqdxY3AxoIKZnsQ+Ejxlr/HQiuPol3vVbuG+vsLcDo6P7fLjqvR2irLcX6hOIath4vczU6Ix10cOT+WWU5c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=quarantine dis=quarantine) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1720505631705529.3348196825358; Mon, 8 Jul 2024 23:13:51 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.755818.1164307 (Exim 4.92) (envelope-from ) id 1sR46Y-0002Mx-1w; Tue, 09 Jul 2024 06:13:34 +0000 Received: by outflank-mailman (output) from mailman id 755818.1164307; Tue, 09 Jul 2024 06:13:34 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sR46X-0002Mq-Vh; Tue, 09 Jul 2024 06:13:33 +0000 Received: by outflank-mailman (input) for mailman id 755818; Tue, 09 Jul 2024 06:13:32 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1sR46W-0002Mj-D5 for xen-devel@lists.xenproject.org; Tue, 09 Jul 2024 06:13:32 +0000 Received: from pb-smtp2.pobox.com (pb-smtp2.pobox.com [64.147.108.71]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 5c861079-3dba-11ef-bbfb-fd08da9f4363; Tue, 09 Jul 2024 08:13:31 +0200 (CEST) Received: from pb-smtp2.pobox.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id 3E96227243; Tue, 9 Jul 2024 02:13:29 -0400 (EDT) (envelope-from sakib@darkstar.site) Received: from pb-smtp2.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id 3688E27242; Tue, 9 Jul 2024 02:13:29 -0400 (EDT) (envelope-from sakib@darkstar.site) Received: from localhost (unknown [185.130.54.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pb-smtp2.pobox.com (Postfix) with ESMTPSA id 6A53527241; Tue, 9 Jul 2024 02:13:28 -0400 (EDT) (envelope-from sakib@darkstar.site) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 5c861079-3dba-11ef-bbfb-fd08da9f4363 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=pobox.com; h=from:to:cc :subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; s=sasl; bh=JHgRlQ2mOAVaV36q/DwoXTgbm MjsvlXARfcG6GpvdPs=; b=ABDKpP08RVJUTSKPO/M+QuO4dPVccBbAhNMmiHMaF ns8XXFCmHKIGgRQGMR4rQdNy0hon70BknNoRGa3zVv5cJb8SUdvyIuEMRE9v7fec SQ7PCehaoIsz5M9IOul22pGxTGWItD+jCPycg8g6Uj7eNpsIbq4m8fVSMPDytUI+ Lg= From: Sergiy Kibrik To: xen-devel@lists.xenproject.org Cc: Xenia Ragiadakou , Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini , Xenia Ragiadakou , Sergiy Kibrik Subject: [XEN PATCH v4 14/14] x86/hvm: make AMD-V and Intel VT-x support configurable Date: Tue, 9 Jul 2024 09:13:25 +0300 Message-Id: <77b83b71a9f759fcf925675b36fcd3f58e06fff1.1720501197.git.Sergiy_Kibrik@epam.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-Pobox-Relay-ID: 5BC43260-3DBA-11EF-8A32-965B910A682E-90055647!pb-smtp2.pobox.com Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @pobox.com) X-ZM-MESSAGEID: 1720505633018100001 Content-Type: text/plain; charset="utf-8" From: Xenia Ragiadakou Provide the user with configuration control over the cpu virtualization sup= port in Xen by making SVM and VMX options user selectable. To preserve the current default behavior, both options depend on HVM and default to value of HVM. To prevent users from unknowingly disabling virtualization support, make the controls user selectable only if EXPERT is enabled. No functional change intended. Signed-off-by: Xenia Ragiadakou Signed-off-by: Sergiy Kibrik Reviewed-by: Stefano Stabellini Acked-by: Jan Beulich --- changes in v3: - only tags added changes in v2: - remove dependency of build options IOMMU/AMD_IOMMU on VMX/SVM options --- xen/arch/x86/Kconfig | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/xen/arch/x86/Kconfig b/xen/arch/x86/Kconfig index 4a35c43dc5..dbee7c2efb 100644 --- a/xen/arch/x86/Kconfig +++ b/xen/arch/x86/Kconfig @@ -123,10 +123,24 @@ config HVM If unsure, say Y. =20 config SVM - def_bool HVM + bool "AMD-V" if EXPERT + depends on HVM + default HVM + help + Enables virtual machine extensions on platforms that implement the + AMD Virtualization Technology (AMD-V). + If your system includes a processor with AMD-V support, say Y. + If in doubt, say Y. =20 config VMX - def_bool HVM + bool "Intel VT-x" if EXPERT + depends on HVM + default HVM + help + Enables virtual machine extensions on platforms that implement the + Intel Virtualization Technology (Intel VT-x). + If your system includes a processor with Intel VT-x support, say Y. + If in doubt, say Y. =20 config XEN_SHSTK bool "Supervisor Shadow Stacks" --=20 2.25.1